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This video is close the Schwarzschild radius of a dark hole, (its "event horizon"), as well as how much volume as well as density is required to arrive at the signal of no render where an object similar a star, neutron star, cherry giant, etc volition collapse into a dark hole singularity. You tin calculate it yourself using only the volume equation for a sphere, as well as the equation for the Schwarzschild radius (and knowing the speed of low-cal as well as Newton's gravitational constant).
REFERENCES
Lecture notes on dark holes: http://eagle.phys.utk.edu/guidry/astr...
Mass of cat: https://www.google.com/search?q=mass+...
Schwarzschild radius: https://en.wikipedia.org/wiki/Schwarz...
LIGO Neutron Star Binary Merger: http://www.astronomy.com/news/2017/10...
Tolman-Oppenheimer-Volkoff Limit: https://en.wikipedia.org/wiki/Tolman%...
Neutron Star Equation of State & Density: http://chimera.roma1.infn.it/OMAR/dot...
Neutron Star Radius: http://citeseerx.ist.psu.edu/viewdoc/...
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Created past times Henry Reich
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